| （単位：百万円） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 33,240 | 33,252 | 34,131 | 33,936 | 33,614 | 32,426 | 32,189 | 33,089 | 32,669 | 30,175 | 32,812 | 35,846 | 34,852 | 38,916 |
| 売上原価 | - | - | - | 26,275 | 26,070 | 25,139 | 23,816 | 25,090 | 25,102 | 22,681 | 24,247 | 27,040 | 27,922 | 29,908 |
| 売上総利益 | - | - | - | 7,660 | 7,544 | 7,287 | 8,372 | 7,998 | 7,566 | 7,493 | 8,564 | 8,805 | 6,929 | 9,008 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 5,874 | 5,685 | 5,709 | 5,824 | 5,986 | 5,979 | 5,733 | 5,906 | 6,053 | 6,016 | 6,339 |
| 営業利益 | - | - | - | 1,785 | 1,858 | 1,577 | 2,547 | 2,011 | 1,587 | 1,759 | 2,658 | 2,751 | 912 | 2,668 |
| 経常（税引前）利益 | 2,416 | 2,027 | 2,322 | 1,972 | 2,063 | 1,741 | 2,759 | 2,509 | 1,911 | 2,166 | 2,982 | 3,144 | 1,337 | 3,161 |
| 法人税等合計 | - | - | - | 755 | 707 | 571 | 870 | 613 | 507 | 549 | 763 | 1,015 | 628 | 964 |
| 純利益 | 1,509 | 1,318 | 1,420 | 1,274 | 1,321 | 1,083 | 1,921 | 1,751 | 1,363 | 1,562 | 1,916 | 2,056 | 1,356 | 2,299 |
| 一株あたり利益 | 70.09 | 61.5 | 65.77 | 58.99 | 61.19 | 48.56 | 440.94 | 201.81 | 157.64 | 180.37 | 221.46 | 237.53 | 156.86 | 271.37 |
| 一株あたり配当金 | 11 | 11 | 13 | 13 | 14 | 14 | 75 | 80 | 40 | 45 | 50 | 50 | 50 | 55 |